github.com/prebid/prebid-server/v2@v2.18.0/adapters/decenterads/decenterads.go (about)

     1  package decenterads
     2  
     3  import (
     4  	"encoding/json"
     5  	"errors"
     6  	"fmt"
     7  	"net/http"
     8  	"strconv"
     9  
    10  	"github.com/prebid/openrtb/v20/openrtb2"
    11  	"github.com/prebid/prebid-server/v2/adapters"
    12  	"github.com/prebid/prebid-server/v2/config"
    13  	"github.com/prebid/prebid-server/v2/errortypes"
    14  	"github.com/prebid/prebid-server/v2/openrtb_ext"
    15  )
    16  
    17  type adapter struct {
    18  	endpoint string
    19  }
    20  
    21  func (a *adapter) MakeRequests(request *openrtb2.BidRequest, _ *adapters.ExtraRequestInfo) ([]*adapters.RequestData, []error) {
    22  	headers := http.Header{}
    23  	headers.Add("Content-Type", "application/json;charset=utf-8")
    24  	headers.Add("Accept", "application/json")
    25  	impressions := request.Imp
    26  	result := make([]*adapters.RequestData, 0, len(impressions))
    27  	errs := make([]error, 0, len(impressions))
    28  
    29  	for _, impression := range impressions {
    30  		var impExt map[string]json.RawMessage
    31  		if err := json.Unmarshal(impression.Ext, &impExt); err != nil {
    32  			errs = append(errs, fmt.Errorf("unable to parse bidder parameers: %s", err))
    33  			continue
    34  		}
    35  
    36  		bidderExt, bidderExtExists := impExt["bidder"]
    37  		if !bidderExtExists || len(bidderExt) == 0 {
    38  			errs = append(errs, errors.New("bidder parameters required"))
    39  			continue
    40  		}
    41  
    42  		impression.Ext = bidderExt
    43  		request.Imp = []openrtb2.Imp{impression}
    44  		body, err := json.Marshal(request)
    45  		if err != nil {
    46  			errs = append(errs, err)
    47  			continue
    48  		}
    49  		result = append(result, &adapters.RequestData{
    50  			Method:  "POST",
    51  			Uri:     a.endpoint,
    52  			Body:    body,
    53  			Headers: headers,
    54  			ImpIDs:  openrtb_ext.GetImpIDs(request.Imp),
    55  		})
    56  	}
    57  
    58  	request.Imp = impressions
    59  	return result, errs
    60  }
    61  
    62  func (a *adapter) MakeBids(request *openrtb2.BidRequest, _ *adapters.RequestData, responseData *adapters.ResponseData) (*adapters.BidderResponse, []error) {
    63  	var errs []error
    64  
    65  	switch responseData.StatusCode {
    66  	case http.StatusNoContent:
    67  		return nil, nil
    68  	case http.StatusBadRequest:
    69  		return nil, []error{&errortypes.BadInput{
    70  			Message: "unexpected status code: " + strconv.Itoa(responseData.StatusCode),
    71  		}}
    72  	case http.StatusOK:
    73  		break
    74  	default:
    75  		return nil, []error{&errortypes.BadServerResponse{
    76  			Message: "unexpected status code: " + strconv.Itoa(responseData.StatusCode),
    77  		}}
    78  	}
    79  
    80  	var bidResponse openrtb2.BidResponse
    81  	err := json.Unmarshal(responseData.Body, &bidResponse)
    82  	if err != nil {
    83  		return nil, []error{&errortypes.BadServerResponse{
    84  			Message: err.Error(),
    85  		}}
    86  	}
    87  
    88  	response := adapters.NewBidderResponseWithBidsCapacity(len(request.Imp))
    89  
    90  	for _, seatBid := range bidResponse.SeatBid {
    91  		for i := range seatBid.Bid {
    92  			response.Bids = append(response.Bids, &adapters.TypedBid{
    93  				Bid:     &seatBid.Bid[i],
    94  				BidType: getMediaTypeForImp(seatBid.Bid[i].ImpID, request.Imp),
    95  			})
    96  		}
    97  	}
    98  
    99  	return response, errs
   100  }
   101  
   102  func getMediaTypeForImp(impID string, imps []openrtb2.Imp) openrtb_ext.BidType {
   103  	for _, imp := range imps {
   104  		if imp.ID == impID {
   105  			if imp.Banner != nil {
   106  				return openrtb_ext.BidTypeBanner
   107  			} else if imp.Video != nil {
   108  				return openrtb_ext.BidTypeVideo
   109  			} else if imp.Native != nil {
   110  				return openrtb_ext.BidTypeNative
   111  			} else if imp.Audio != nil {
   112  				return openrtb_ext.BidTypeAudio
   113  			}
   114  		}
   115  	}
   116  	return openrtb_ext.BidTypeBanner
   117  }
   118  
   119  // Builder builds a new instance of the DecenterAds adapter for the given bidder with the given config.
   120  func Builder(bidderName openrtb_ext.BidderName, config config.Adapter, server config.Server) (adapters.Bidder, error) {
   121  	bidder := &adapter{
   122  		endpoint: config.Endpoint,
   123  	}
   124  	return bidder, nil
   125  }